[PATCH] dm: make sure QUEUE_FLAG_CLUSTER is set properly
This flag should be set for a virtual device iff it is set for all
underlying devices.
Signed-off-by: Neil Brown <neilb@suse.de>
Acked-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 51e0e95..aee10b2 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -97,6 +97,7 @@
unsigned short hardsect_size;
unsigned int max_segment_size;
unsigned long seg_boundary_mask;
+ unsigned char no_cluster; /* inverted so that 0 is default */
};
struct dm_target {